<Emphasis Type="Italic">CR</Emphasis>-Warped Products in Complex Projective Spaces with Compact Holomorphic Factor |
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Authors: | Bang-Yen Chen |
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Institution: | (1) Michigan State University, East Lansing, MI, USA |
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Abstract: | A submanifold of a Kaehler manifold is called a CR-warped product if it is the warped product NT ×fN of a complex submanifold NT and a totally real submanifold N . There exist many CR-warped products NT ×fN in CPh+p, h = dimCNT and p = dimRN (see 5, 6]). In contrast, we prove in this article that the situation is quite different if the holomorphic factor NT is compact. For such CR-wraped products in CPm (4), we prove the following: (1) The complex dimension m of the ambient space is at least h + p + hp. (2) If m = h + p + hp, then NT is CPh(4). We also obtain two geometric inequalities for CR-warped products in CPm with compact NT. |
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Keywords: | 2000 Mathematics Subject Classification: 53C40 53C42 53B25 |
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